<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>简洁竖排图片布局</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            background-color: #f5f5f5;
            font-family: 'Microsoft YaHei', sans-serif;
        }
        
        /* 顶部深红色区域 */
        .header {
            background-color: #8B0000;
            color: white;
            padding: 15px;
            text-align: center;
        }
        
        .header h1 {
            font-size: 1.5rem;
            margin-bottom: 8px;
        }
        
        /* 内容区域 */
        .content {
            max-width: 600px;
            margin: 0 auto;
            padding: 15px;
        }
        
        /* 竖排图片区域 */
        .image-column {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        
        .image-column img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: 4px;
        }
        
        /* 平板和桌面端调整 */
        @media (min-width: 768px) {
            .header h1 {
                font-size: 2rem;
            }
            
            .content {
                padding: 20px;
            }
            
            .image-column {
                gap: 20px;
            }
        }
    </style>
</head>
<body>
    <!-- 顶部深红色区域 -->
    <div class="header">
        <h1>贴敷示意图</h1>
		<div class="sub-title">益锦堂筋骨舒痛膏</div>
    </div>
    
    <!-- 内容区域 -->
    <div class="content">
        <!-- 竖排图片区域 -->
        <div class="image-column">
            <img src="img/未标题-1.png" alt="">
            <img src="img/未标题-2.png" alt="">
            <img src="img/未标题-3.png" alt="">
        </div>
    </div>
</body>
</html>